ID   RPSB_STIAD              Reviewed;         296 AA.
AC   Q01624; Q08TI4;
DT   01-JUL-1993, integrated into UniProtKB/Swiss-Prot.
DT   01-JUL-1993, sequence version 1.
DT   25-MAY-2022, entry version 119.
DE   RecName: Full=RNA polymerase sigma-B factor;
GN   Name=sigB; OrderedLocusNames=STAUR_3825; ORFNames=STIAU_2459;
OS   Stigmatella aurantiaca (strain DW4/3-1).
OC   Bacteria; Proteobacteria; Deltaproteobacteria; Myxococcales;
OC   Cystobacterineae; Archangiaceae; Stigmatella.
OX   NCBI_TaxID=378806;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RC   STRAIN=DW4/3-1;
RX   PubMed=1475207; DOI=10.1093/nar/20.23.6416;
RA   Skladny H., Heidelbach M., Schairer H.U.;
RT   "Cloning and DNA sequence of sigB gene of Stigmatella aurantiaca.";
RL   Nucleic Acids Res. 20:6416-6416(1992).
RN   [2]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=DW4/3-1;
RA   Nierman W.C.;
RL   Submitted (APR-2006) to the EMBL/GenBank/DDBJ databases.
RN   [3]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=DW4/3-1;
RX   PubMed=21037205; DOI=10.1093/molbev/msq292;
RA   Huntley S., Hamann N., Wegener-Feldbruegge S., Treuner-Lange A., Kube M.,
RA   Reinhardt R., Klages S., Mueller R., Ronning C.M., Nierman W.C.,
RA   Sogaard-Andersen L.;
RT   "Comparative genomic analysis of fruiting body formation in Myxococcales.";
RL   Mol. Biol. Evol. 28:1083-1097(2011).
CC   -!- FUNCTION: Sigma factors are initiation factors that promote the
CC       attachment of RNA polymerase to specific initiation sites and are then
CC       released.
CC   -!- SIMILARITY: Belongs to the sigma-70 factor family. {ECO:0000305}.
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DR   EMBL; Z14970; CAA78693.1; -; Genomic_DNA.
DR   EMBL; AAMD01000146; EAU63789.1; -; Genomic_DNA.
DR   EMBL; CP002271; ADO71613.1; -; Genomic_DNA.
DR   PIR; S30249; S30249.
DR   RefSeq; WP_002617323.1; NZ_AAMD01000146.1.
DR   AlphaFoldDB; Q01624; -.
DR   SMR; Q01624; -.
DR   STRING; 378806.STAUR_3825; -.
DR   EnsemblBacteria; ADO71613; ADO71613; STAUR_3825.
DR   EnsemblBacteria; EAU63789; EAU63789; STIAU_2459.
DR   KEGG; sur:STAUR_3825; -.
DR   PATRIC; fig|378806.16.peg.2664; -.
DR   eggNOG; COG0568; Bacteria.
DR   HOGENOM; CLU_014793_3_5_7; -.
DR   OMA; MNERPMT; -.
DR   OrthoDB; 1565734at2; -.
DR   Proteomes; UP000001351; Chromosome.
DR   Proteomes; UP000032702; Unassembled WGS sequence.
DR   GO; GO:0003677; F:DNA binding; IEA:UniProtKB-KW.
DR   GO; GO:0016987; F:sigma factor activity; IEA:UniProtKB-KW.
DR   GO; GO:0006352; P:DNA-templated transcription, initiation; IEA:InterPro.
DR   InterPro; IPR014284; RNA_pol_sigma-70_dom.
DR   InterPro; IPR000943; RNA_pol_sigma70.
DR   InterPro; IPR009042; RNA_pol_sigma70_r1_2.
DR   InterPro; IPR007627; RNA_pol_sigma70_r2.
DR   InterPro; IPR007630; RNA_pol_sigma70_r4.
DR   InterPro; IPR013325; RNA_pol_sigma_r2.
DR   InterPro; IPR013324; RNA_pol_sigma_r3/r4-like.
DR   Pfam; PF00140; Sigma70_r1_2; 1.
DR   Pfam; PF04542; Sigma70_r2; 1.
DR   Pfam; PF04545; Sigma70_r4; 1.
DR   PIRSF; PIRSF000770; RNA_pol_sigma-SigE/K; 1.
DR   PRINTS; PR00046; SIGMA70FCT.
DR   SUPFAM; SSF88659; SSF88659; 1.
DR   SUPFAM; SSF88946; SSF88946; 1.
DR   TIGRFAMs; TIGR02937; sigma70-ECF; 1.
DR   PROSITE; PS00715; SIGMA70_1; 1.
DR   PROSITE; PS00716; SIGMA70_2; 1.
PE   3: Inferred from homology;
KW   DNA-binding; Reference proteome; Sigma factor; Transcription;
KW   Transcription regulation.
FT   CHAIN           1..296
FT                   /note="RNA polymerase sigma-B factor"
FT                   /id="PRO_0000093969"
FT   DNA_BIND        251..270
FT                   /note="H-T-H motif"
FT                   /evidence="ECO:0000250"
FT   MOTIF           74..87
FT                   /note="Polymerase core binding"
SQ   SEQUENCE   296 AA;  33298 MW;  DF856444099D41A0 CRC64;
     MQISNDPSSH SGSLTMYLSE INQYGLLSVE EEQALARKFV KGDLAAGHRL VTSNLRFVVK
     VSYEYRSYGI KMSDLIQEGN IGLMKAVQKF DPDKGIRLIS YAVWWIRAYI QNYILKSWSL
     VKLGTTQAQR KLFFSLARTR RELEKFGAGD GAVVNVDEIA NKLNVKASEV REMEQRMGGR
     DLSLDAPMGE DGGNSHVDFV ASAAAPQDDE FADKEEAGLI NSRVHMALMR LDPRERFIIE
     QRVMNERPMT LKELGEHFGF SRERARQLEI RAKDKLKAEL AALLAEVDPD AAAALQ